A.O. Smith

ProMax® 50 gal. 40 MBH Natural Gas Water Heater

Part #AGCNH5000L010G41  |  Manufacturer Part #9211965001


50 gal
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Product Details

  • Self-powered electronic gas valve uses a thermopile to generate the power needed to operate the electronic gas control without requiring an external power source
  • The electronic gas control incorporates an LED status indicator that monitors system operation and service diagnostics
  • Equipped with a flame arrestor that provides smooth ignition and ensures that in the event of accidental exposure to flammable vapors, the vapors are safely combusted inside the sealed chamber
  • DynaClean™ diffuser dip tube reduces lime and sediment buildup and maximizes hot water output and is made from long lasting PEX cross linked polymer
  • Push button Piezo ignitor makes lighting the pilot fast and easy with single-handed push button spark ignition
  • Durable, tamper resistant brass drain valve
  • CSA certified and ASME rated T&P relief valve
  • Permaglas glass coating protects steel tank from corrosion


ANSI Specifications: ANSI Z21.10.1

Application: Residential

BTU: 40000

CARB OTC LEED Compliant: No

CEC Compliant: For Sale in CA

CSA Certified: CSA 4.1

Capacity: 50 gal

Collection: ProMax®

Color Finish: White

Depth: 22 in

Diameter: 22 in

End Connection 1: NPT

First Hour Rating: 81

Fuel Type: Natural Gas

Height: 63-1/2 in

IAPMO Listed: No

Ignition System: Electronic Ignition

MBH: 400

Material: Glass, Steel

Maximum Pressure: 150 psi

NSF Certified: No

Power Source: Gas

Supply Pipe Connection: 3/4 in

UL Listed: No

Width: 22 in